kilolightEtymologyFrom kilo- + light.nouna unit of velocity equal to one thousand times the velocity of lighta unit of distance equal to one thousand light-years; a kilolight-year“I said slowly: “I must be making a megalight, or more, an hour. At this rate the journey will take about two weeks—” “Yes,” Lipsey said. “We think the Xeelee have a range of hyperdrive capabilities. The standard intragalactic version is limited to a kilolight an hour, ...”